embryo
• limited or no primitive endoderm (PrE) cells are observed after 3 days in culture
|
• although blastocysts hatch from the zona pellucida and form outgrowths with apparent inner cell mass, limited or no trophectoderm is observed after 3 days in culture
|
mortality/aging
IMPC - TCP
|
IMPC - UCD
|
• early blastocysts are present at E3.5 (16% versus expected 25%, n=38); no embryos or excess resorption sites are observed at E7.5
|
IMPC - UCD
|